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1.DS.A.1 Collect, organize and represent data with up to three categories. 1.DS.A.2 Draw conclusions from object graphs, picture graphs, T-charts and tallies.
1.NBT.A.1 Understand that 10 can be thought of as a bundle of 10 ones – called a “ten”.
1.NBT.A.2 Understand two-digit numbers are composed of ten(s) and one(s).
Use addition and subtraction within 20 to solve problems.
Use properties as strategies to add and subtract.
1.RA.B.6 Demonstrate that subtraction can be solved as an unknown-addend problem. 1.RA.C.7 Add and subtract within 20. 1.RA.C.8 Demonstrate fluency with addition and subtraction within 10.
1.RA.A.3 Develop the meaning of the equal sign and determine if equations involving addition and subtraction are true or false.
1.RA.A.4 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
Education Galaxy’s The Missouri Learning Standards (MLS) mastery program provides online assessment and practice for students in Grades K-6 to help build mastery towards the Missouri Learning Standards. Our unique online program is easy to use and enjoyable for both teachers and students. Students work on their Study Plans practicing important concepts while teachers pull formative assessment reports to identify the strengths and weaknesses of their classroom and individual students.
